DateExpected
Mid June 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Chepstow Drill Hall, Chepstow, NP16 5HJ to Waterguard Pub, Cardiff Bay
Cardiff, Cardiff
Countdown
June
The long way from Chepstow to Cardiff Bay on gravel, with the whole day to do it. 157 km and modest climbing, so this is about time in the saddle more than hills.
Key facts
01Finish cut-off is 22:00, so plan for a long day out
02Navigate by GPX, with feed stations along the way
03Semi-supported, so carry your own spares and repair kit
Create a free training plan for the The Solstice Sundowners 157 km
7-day free trial, no card required
The course
The route
Cardiff
Distance157km
Total climb1,629m
StartElevation
0 kmDrag map to rotate148.9 km
Weather
Mid-June, Cardiff
19°CTypical high
11°CTypical low
7°CColdest in 20 years
47%Days with rain
Highs around 19°C and lows around 11°C, but it has dropped to 7°C. Rain on 47% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserAll Mountain Adventures
Websiteallmountainadventures.wales
Instagram@allmountainadventureswales
Running since2024
Training
Training for the The Solstice Sundowners 157 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a The Solstice Sundowners 157 km plan targets
Typical sessions
157 km with 1,629 m of climbing
Endurance and fatigue resistance over the full distance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long endurance rides building toward the full distance
Threshold and sweet-spot work for sustained power
Sustained climbing repeats on real gradients
Group rides for drafting and bunch-riding skills
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your The Solstice Sundowners 157 km plan.
7-day free trial, no card required.
Other races at The Solstice Sundowners
More events in June in United Kingdom
Burbage SkylineExpected Early June 2027 · Sheffield→Scott Frontier 300Fri, 4 Jun 2027 · Border Marches→Anglesey & Back 300+300Expected Early June 2027 · Chepstow→Cairncastle Classic Fell RaceExpected Early June 2027 · Larne→Classic QuarterSat, 5 Jun 2027 · Cornwall→Dartmoor Discovery 32 Mile Ultra MarathonSat, 5 Jun 2027 · Princetown→
